Basic Applications

EXERCISE 1 Writing Oxidation Half-Reactions

Using the guidelines concerning the assignment of oxidation numbers, write the oxidation half-reactions for the following, indicating the charge of the ion formed and number of electrons lost (e-).

Format to use for entering answers: Na ---> Na+1 + 1e-

(1) Al ---> +

(2) Li ---> +

(3) Mg ---> +